Level 1 Workstation Server Access, Authentication and Authorization User Accounts and Environment Automated IG1 IG2 IG3 3.3 Configure Data Access Control Lists T1548 TA0005 M1026 5.5.3 Ensure default group for the root account is GID 0 Audit# Run the following command and verify the result is 0 : # grep "^root:" /etc/passwd | cut -f4 -d: 0 Remediation# Run the following command to set the root user default group to GID 0 : # usermod -g 0 root